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24
LABORATORY OF CLINICAL PATHOLOGY.
Telegrams: "Clinician, LondonTelephone: 1259 Paadington.
62, Queen Anne Street,
London, W.
Reference Number: /2M July, 1902.
7-2-79. J
To Dr. Windle,
Southall-Norwood Urban District Council.
I beg to submit the following Report on the specimen of water for
bacteriological examination, marked I2w., received at the Laboratory on
7/7/02 :
This sample of water contains 400 organisms per c.c. No member of
the colon group of bacteria was found in 55 c.c. of the water.
I am of opinion that in its present condition the water is, from the
bacteriological standpoint, free from sewage contamination and suitable for use
as a drinking supply.
G. L. EASTES.
LABORATORY OF CLINICAL PATHOLOGY.
Telephone No.: 1259 Paddington. Telegraphic Address: "Clinician, London."
62, Queen Anne Street,
London, W.
Reference Number: DoU> gth july^ I()02
Report on Chemical Analysis of a Sample of Water.
To Dr. Windle,
Southall-Norwood Urban District Council.
I beg to submit the following Report on the chemical analysis of a sample
of water, marked 13W., received from you on 7/7/02 :—
Note.—The results are all expressed in grains per gallon.
Free ammonia o.ooo6
Albumenoid ammonia 0.0056
Total solid residue (dried at 220 F.) 21.4
Chlorine 1.4
Equivalent to Sodium chloride 2.3
Nitrites nil
Nitrogen existing as nitrates 0.07
Hardness. Total Hardness 127
Permanent Hardness (after boiling) 2.9
Lead or Copper nil
Oxygen absorbed in 4 hours 0.093
Physical characters clear and bright
This sample has practically the same composition as '. I2w.," and there is
no reason to suspect that the water has been recently contaminated.
(Signed) WALTER II. JOLLYMAN.